Agents reported that the tunnel measured approximately 42 inches in height, 28 inches in width, and extended as deep as 50 feet underground. Mexican authorities discovered the entrance concealed beneath freshly laid tile flooring in a home in the Nueva Tijuana neighborhood, the outlet reported.

The Border Patrol began conducting operations in Sacramento on Thursday, as two federal court rulings have ordered them to stop warrantless raids.

At least 11 people were arrested during a Border Patrol operation in south Sacramento Thursday morning, officials said. The Sacramento County Sheriff's Office said that they had received a call about armed, masked men in the parking lot of the Home Depot on Florin Road, near Highway 99, shortly after 7:45 a.m.